#!/usr/bin/env python

"""
    Checks:
        1. How long can sina let me collect trending topic? 
        2.
    Defines technical statiscs format.
"""

class Error(Exception):
    """Base class for exceptions in this module."""
    pass

class SinaWebError(Error):
    """Raised when an HTTP error happens or retrieves nearly 
    empty response somehow

    """
    pass

import requests

def tryLogin():
    login_url = 'https://passport
    form_data = {
            }
    payload = {
            }

if __name__ == '__main__':
    main()

